Animation (VIDEO)

Delft University of Technology

Caption

The child's puzzle can be used to explain Nagaoka ferromagnetism. The puzzle on the left shows that every shuffle changes the spin configuration. The puzzle on the right shows all the spins aligned, which lowers the energy of the system.

Credit

Scixel de Groot for QuTech

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.